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190 lines
3.6 KiB
C
Executable File
190 lines
3.6 KiB
C
Executable File
/* Copyright (C) 1991 Free Software Foundation, Inc.
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This file is part of GLD, the Gnu Linker.
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GLD is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 1, or (at your option)
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any later version.
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GLD is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GLD; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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/*
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$Id$
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$Log$
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Revision 1.2 1991/03/22 23:02:30 steve
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Brought up to sync with Intel again.
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* Revision 1.3 1991/03/16 22:27:24 rich
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* fish
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*
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* Revision 1.2 1991/03/15 18:45:55 rich
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* foo
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*
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* Revision 1.1 1991/03/13 00:48:12 chrisb
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* Initial revision
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*
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* Revision 1.4 1991/03/10 09:31:19 rich
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* Modified Files:
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* Makefile config.h ld-emul.c ld-emul.h ld-gld.c ld-gld960.c
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* ld-lnk960.c ld.h lddigest.c ldexp.c ldexp.h ldfile.c ldfile.h
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* ldgram.y ldinfo.h ldlang.c ldlang.h ldlex.h ldlex.l ldmain.c
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* ldmain.h ldmisc.c ldmisc.h ldsym.c ldsym.h ldversion.c
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* ldversion.h ldwarn.h ldwrite.c ldwrite.h y.tab.h
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*
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* As of this round of changes, ld now builds on all hosts of (Intel960)
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* interest and copy passes my copy test on big endian hosts again.
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*
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* Revision 1.3 1991/02/22 17:14:57 sac
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* Added RCS keywords and copyrights
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*
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*/
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/*
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* emulate the Intels port of gld
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*/
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#include "sysdep.h"
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#include "bfd.h"
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#include "ld.h"
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#include "config.h"
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#include "ld-emul.h"
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#include "ldfile.h"
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#include "ldmisc.h"
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/* IMPORTS */
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extern char *output_filename;
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extern boolean lang_float_flag;
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extern enum bfd_architecture ldfile_output_architecture;
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extern unsigned long ldfile_output_machine;
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extern char *ldfile_output_machine_name;
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extern bfd *output_bfd;
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static void gld960_before_parse()
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{
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char *env ;
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env = getenv("G960LIB");
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if (env) {
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ldfile_add_library_path(env);
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}
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env = getenv("G960BASE");
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if (env) {
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ldfile_add_library_path(concat(env,"/lib",""));
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}
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ldfile_output_architecture = bfd_arch_i960;
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}
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static void
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gld960_after_parse()
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{
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}
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static void
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gld960_after_allocation()
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{
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}
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static void
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gld960_before_allocation()
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{
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}
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static void
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gld960_set_output_arch()
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{
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/* Set the output architecture and machine if possible */
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unsigned long machine = 0;
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bfd_set_arch_mach(output_bfd, ldfile_output_architecture, machine);
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}
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static char *
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gld960_choose_target()
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{
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char *from_outside = getenv(TARGET_ENVIRON);
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output_filename = "b.out";
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if (from_outside != (char *)NULL)
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return from_outside;
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return GLD960_TARGET;
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}
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static void
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gld960_syslib()
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{
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info("%S SYSLIB ignored\n");
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}
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static void
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gld960_hll()
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{
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info("%S HLL ignored\n");
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}
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static char *script = "\
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\
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SECTIONS \
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{ \
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.text : \
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{ \
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CREATE_OBJECT_SYMBOLS \
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*(.text) \
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_etext =.;\
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} \
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\
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.data SIZEOF(.text) + ADDR(.text):\
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{ \
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\
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*(.data) \
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_edata = .; \
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} \
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.bss SIZEOF(.data) + ADDR(.data) : \
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{ _bss_start = .;\
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*(.bss) \
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[COMMON] \
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_end = . ; \
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} \
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} \
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";
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static char *
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gld960_get_script()
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{
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return script;
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}
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struct ld_emulation_xfer_struct ld_gld960_emulation =
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{
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gld960_before_parse,
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gld960_syslib,
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gld960_hll,
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gld960_after_parse,
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gld960_after_allocation,
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gld960_set_output_arch,
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gld960_choose_target,
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gld960_before_allocation,
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gld960_get_script,
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};
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